CN113957945A - Novel excavator seat - Google Patents
Novel excavator seat Download PDFInfo
- Publication number
- CN113957945A CN113957945A CN202111579016.9A CN202111579016A CN113957945A CN 113957945 A CN113957945 A CN 113957945A CN 202111579016 A CN202111579016 A CN 202111579016A CN 113957945 A CN113957945 A CN 113957945A
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- China
- Prior art keywords
- sponge
- pipe
- piston
- transmission
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 48
- 239000004744 fabric Substances 0.000 claims abstract description 8
- 239000004677 Nylon Substances 0.000 claims description 16
- 229920001778 nylon Polymers 0.000 claims description 16
- 238000009527 percussion Methods 0.000 claims description 12
- 238000010304 firing Methods 0.000 claims description 8
- 230000001808 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 description 11
- 230000035939 shock Effects 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 210000001624 Hip Anatomy 0.000 description 1
- 208000003251 Pruritus Diseases 0.000 description 1
- 210000003491 Skin Anatomy 0.000 description 1
- 208000006641 Skin Disease Diseases 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000789 fastener Substances 0.000 description 1
- 230000003116 impacting Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- -1 silt Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/16—Cabins, platforms, or the like, for drivers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/16—Cabins, platforms, or the like, for drivers
- E02F9/166—Cabins, platforms, or the like, for drivers movable, tiltable or pivoting, e.g. movable seats, dampening arrangements of cabins
Abstract
The invention relates to the technical field of engineering mechanical equipment, in particular to a novel excavator seat which comprises a seat cushion tray, wherein sponge is fixedly connected to the seat cushion tray and comprises a lower layer of sponge and an upper layer of sponge, the upper layer of sponge is arranged on the lower layer of sponge, a fabric layer is sleeved outside the sponge, a cavity is formed in the lower layer of sponge, an impact device is arranged in the cavity and comprises a power source, a transmission mechanism and an execution mechanism, the power source is fixedly connected with the seat cushion tray, the power source is connected with the execution mechanism through the transmission mechanism, and the execution mechanism is in contact connection with the upper layer of sponge.
Description
Technical Field
The invention relates to the technical field of engineering mechanical equipment, in particular to a novel excavator seat.
Background
An excavator, also known as an excavating machine (excavating shovel), is an earth moving machine that excavates material above or below a bearing surface with a bucket and loads the material into a transport vehicle or unloads the material to a stockyard.
The materials excavated by the excavator mainly comprise soil, coal, silt, soil subjected to pre-loosening and rocks. In view of the development of construction machines in recent years, the development of excavators is relatively fast, and the excavator has become one of the most important construction machines in construction. The most important three parameters of the excavator: operating weight (mass), engine power and bucket capacity.
The excavator and other engineering machinery have bad operation environments, are dusty and dusty, can be divided into an open excavator and a non-open excavator according to cab forms, wherein the open excavator does not have a cab and the sealing performance of the cab in a middle-low-end machine type in the non-open excavator is not good, although a seat made of fabric is good in air permeability and suitable for hot weather, a lot of small holes are formed in the surface of the seat and easily gather dust, so that skin itch of a driver is caused, the use comfort is reduced, skin diseases can be induced after long-time use, a part of drivers can avoid dust from being trapped in a cushion by adding a cushion cover, but the cushion cover can cause relative displacement between the hip and the cushion, so that a safety belt fails to completely play a role in danger, and the cushion cover can reduce the air permeability and does not accord with the working environment of the open excavator.
Disclosure of Invention
The purpose of the invention is: overcomes the defects in the prior art and provides a novel excavator seat.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a novel excavator thing to sit on, includes the cushion tray, fixedly connected with sponge on the cushion tray, the sponge includes lower floor's sponge and upper sponge, be provided with upper sponge on the sponge of lower floor, the sponge overcoat is equipped with the fabric layer, be provided with the cavity in the sponge of lower floor, be provided with percussion device in the cavity, percussion device includes power supply, drive mechanism and actuating mechanism, power supply and cushion tray fixed connection, the power supply passes through drive mechanism with actuating mechanism and is connected, actuating mechanism is connected with the contact of upper sponge.
Furthermore, the actuating mechanism comprises a firing pin, the firing pin comprises an impact section and a transmission section, the impact section and the transmission section are both cylinders, the outer diameter of the impact section is larger than that of the transmission section, and the impact section is in transition connection with the transmission section through a conical surface.
Furthermore, the transmission mechanism comprises a guide pipe, a percussion piston and a transmission piston, one end of the guide pipe is positioned below the actuating mechanism, the percussion piston and the transmission piston are slidably arranged in the guide pipe, the percussion piston is positioned at one end close to the actuating mechanism relative to the transmission piston, and the transmission piston is connected with a power source.
Further, the power source comprises a motor, a connecting rod and a rocker arm, the motor is connected with the connecting rod, the motor drives the connecting rod to do circular motion with one end as a circle center and the length of the connecting rod as a radius, the connecting rod is hinged with the rocker arm, the rocker arm is hinged with the transmission piston, and the motor enables the transmission piston to do reciprocating linear motion in the guide pipe.
Further, the guide pipe is a right-angle guide pipe, the impact piston is located in the vertical section of the guide pipe, and the transmission piston is located in the horizontal section of the guide pipe.
Furthermore, the connecting rod is a large bevel gear, a large bevel gear connecting column is arranged on the back face of the large bevel gear, the rocker arm is hinged with the connecting column, the output end of the motor is meshed with the large bevel gear through a small bevel gear, and the axis of the small bevel gear is perpendicular to the axis of the large bevel gear.
Furthermore, the actuating mechanism further comprises a nylon plate, the firing pin is fixedly connected with the nylon plate, a threaded hole is formed in the upper surface of the impact section, a through hole matched with the threaded hole is formed in the nylon plate, a fixing bolt is detachably connected in the threaded hole, and the nylon plate is located between the fixing bolt and the impact section.
Further, actuating mechanism still includes the bradyseism device, the bradyseism device includes the bradyseism board, it has the bell mouth to open on the bradyseism board, the tapering of bell mouth with the tapering of conical surface is the same, the minimum aperture less than or equal to of bell mouth the diameter of conical surface, the bradyseism board with cushion tray flexonics.
Further, the lower surface contact of bradyseism board is connected with damping washer, damping washer's lower surface contact is connected with pipe one, the lower fixed surface of pipe one is connected with damping spring, damping spring fixedly connected with pipe two, pipe two with pipe fixed connection, damping washer, pipe one and pipe two all overlap and establish outside the pipe.
Furthermore, the outer surface of the guide pipe is provided with external threads, the inner wall of the second pipe is provided with internal threads, and the second pipe is connected with the guide pipe through threads.
The technical scheme adopted by the invention has the beneficial effects that:
1. the invention can knock the cushion from the lower part of the cushion to knock out dust trapped in the fabric, is convenient to clean, improves the comfort level of a cab and prolongs the comfortable driving time of a driver.
2. The right-angle conduit rocker arm can be transversely arranged, so that the total height of the seat cushion is reduced, the seat cushion is more suitable for being installed in the seat cushion, and the seat cushion is less invaded into a space below the seat support.
3. The two conical gears can enable the rotor of the motor to be parallel to the horizontal plane, namely the motor can be horizontally arranged, and the total height of the seat cushion is greatly reduced, so that the seat cushion is more suitable for being installed in the seat cushion and less invades into the space below the seat cushion bracket.
4. The shock absorption device enables the impact force generated when the firing pin falls back to be absorbed by the shock absorption device, the situation that the impact force cannot be effectively transmitted to the upper cushion due to the fact that the impact piston does not reach the highest point and collides with the downwardly moving firing pin is avoided, and the mechanical efficiency of the invention can be effectively improved due to the shock absorption device.
5. And the second pipe with the threads can adjust the cushioning effect according to the elastic attenuation of the damping washer and the spring.
6. The nylon plate can be effectively transmitted to the lower surface of the sponge on the whole upper layer by the impact force generated by single-point impact, so that the single-point impact is converted into surface impact as much as possible, and the dust removal effect is better and remarkable.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an oblique view of the principal components of the present invention;
FIG. 3 is a cross-sectional view of the principal components of the present invention;
fig. 4 is a schematic view of the connection at the drive piston of the present invention.
1. A cushion tray; 21. a lower layer of sponge; 22. an upper layer of sponge; 31. a power source; 311. a motor; 312. a large bevel gear; 3121. a large bevel gear connecting column; 3122. a retainer ring; 313. a rocker arm; 314. a bevel pinion gear; 32. a transmission mechanism; 321. a conduit; 322. a drive piston; 3221. a transmission piston body; 3222. a guide ring; 3223. a seal ring; 3224. a piston connecting column; 3225. a shield; 323. a percussion piston; 33. an actuator; 331. a striker; 332. fixing the bolt; 333. a cushioning device; 334. a cushion ring; 335. a first pipe; 336. a damping spring; 337. a second pipe; 339. a nylon plate.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention. The present invention is described in detail by using schematic structural diagrams and the like, which are only examples and should not limit the protection scope of the present invention. In addition, the actual fabrication process should include three-dimensional space of length, width and depth.
Referring to fig. 1-4, a novel excavator seat comprises a seat cushion tray 1, wherein a sponge is fixedly connected to the seat cushion tray 1, the sponge comprises a lower layer of sponge 21 and an upper layer of sponge 22, the upper layer of sponge 22 is arranged on the lower layer of sponge 21, a fabric layer is sleeved outside the sponge, a cavity is arranged in the lower layer of sponge 21, an impact device is arranged in the cavity, the impact device comprises a power source 31, a transmission mechanism 32 and an execution mechanism 33, the power source 31 is fixedly connected with the seat cushion tray 1, the power source 31 is connected with the execution mechanism 33 through the transmission mechanism 32, and the execution mechanism 33 is in contact connection with the upper layer of sponge 22. The invention can knock the seat cushion through the actuating mechanism 33 from the lower part of the seat cushion to knock out dust trapped in the fabric, thereby being convenient for cleaning, improving the comfort level of the cab and prolonging the comfortable driving time of a driver. Preferably, the air conditioner air duct can be matched with a corresponding air conditioner air duct, the air conditioner air duct extends out of the cushion air duct, an outlet of the cushion air duct is aligned to the rear of the upper surface of the cushion, and when the executing mechanism 33 knocks out dust on the surface of the fabric, the dust can be blown out of the range of the cushion by air in the cushion air duct.
Referring to fig. 3, the actuator 33 includes a striker 331, the striker 331 includes an impact section and a transmission section, the impact section and the transmission section are both cylinders, an outer diameter of the impact section is larger than an outer diameter of the transmission section, and the impact section and the transmission section are in transition connection through a conical surface. Since the striker 331 needs to remove dust on the surface of the seat cushion by generating an impact force, the larger the outer diameter of the impact section of the striker 331 is, the better, the point impact is converted into the surface impact as much as possible to remove more dust by impacting a larger area.
Referring to fig. 3 and 4, the transmission mechanism 32 includes a guide tube 321, a striking piston 323 and a transmission piston 322, one end of the guide tube 321 is located below the actuator 33, the striking piston 323 and the transmission piston 322 are slidably disposed in the guide tube 321, the lower portion of the guide tube 321 is fixedly connected to the cushion tray 1, the striking piston 323 is located at an end close to the actuator 33 relative to the transmission piston 322, the transmission piston 322 is connected to the power source 31, the transmission piston 322 and the striking piston 323 include a transmission piston body 3221 and a striking piston body, the transmission piston body 3221 and the striking piston body are both sleeved with a guide ring 3222 and a sealing ring 3223, the sealing ring 3223 forms a sealed space between the striking piston 323 and the transmission piston 322, when the striking piston 323 strikes the striker 331, gas in the sealed space is instantly compressed, so that the striking action is softer, the fastener near the seat is prevented from loosening due to excessive violent impact, and the rocker arm 313, the connecting rod and the motor 311 can be prevented from being damaged by the reaction force generated by the impact.
Referring to fig. 3, the power source 31 includes a motor 311, a connecting rod and a rocker arm 313, the motor 311 is fixedly connected to the cushion tray 1 through a motor bracket, the motor 311 is connected to the connecting rod, the motor 311 drives the connecting rod to perform a circular motion with one end being a circle center and the length of the connecting rod being a radius, the connecting rod is hinged to the rocker arm 313, the rocker arm 313 is hinged to the transmission piston 322, a piston connection post 3224 is fixed to a tail end of the transmission piston body 3221, a protective cover 3225 is arranged outside the piston guide post to prevent the rocker arm 313 from bringing dust into the conduit 321, the transmission piston 322 is hinged to the rocker arm 313 through the piston connection post 3224, and the motor 311 enables the transmission piston 322 to perform a reciprocating linear motion in the conduit 321.
Referring to fig. 3, the duct 321 is a right-angle duct, the striking piston 323 is located in the vertical section of the duct, and the transmission piston 322 is located in the horizontal section of the duct 321. The overall height of the invention is reduced by the fact that the right-angled pipe 321 and the rocker arm 313 can be arranged laterally, so that the invention is more suitable for being installed in a seat cushion and is less invasive to the space below the seat support.
Referring to fig. 1 and 3, the connecting rod is a large bevel gear 312, a large bevel gear connecting column 3121 is disposed on the back of the large bevel gear 312, the rocker arm 313 is hinged to the connecting column, two rings of retainer ring grooves are formed on the large bevel gear connecting column 3121, two retainer rings 3122 are sleeved on the large bevel gear connecting column 3121, the retainer rings 3122 are respectively located above and below the rocker arm 313, the output end of the motor 311 is engaged with the large bevel gear 312 through a small bevel gear 314, and the axis of the small bevel gear 314 is perpendicular to the axis of the large bevel gear 312. The two conical gears can enable the rotor of the motor 311 to be parallel to the horizontal plane, namely the motor 311 can be horizontally arranged, the total height of the seat cushion is greatly reduced, the seat cushion is more suitable for being installed in the seat cushion, and the space below the seat cushion is prevented from invading as little as possible.
Referring to fig. 1, the actuator 33 further includes a nylon plate 339, the nylon plate 339 is provided with a plurality of vent holes, the striker 331 is fixedly connected to the nylon plate 339, the upper surface of the striking section is provided with a threaded hole, the nylon plate 339 is provided with a through hole matching with the threaded hole, a fixing bolt 332 is detachably connected to the threaded hole, and the nylon plate 339 is located between the fixing bolt 332 and the striking section. The nylon plate 339 can effectively transmit impact force generated by single-point impact to the lower surface of the whole upper sponge 22, so that the single-point impact is converted into surface impact as much as possible, and the dust removal effect is better and remarkable.
Referring to fig. 1 and 3, the actuating mechanism 33 further includes a shock absorber 333, the shock absorber 333 includes a shock absorbing plate, the shock absorbing plate is provided with a tapered hole, the taper of the tapered hole is the same as the taper of the tapered surface, the minimum aperture of the tapered hole is smaller than or equal to the diameter of the tapered surface, and the shock absorbing plate is flexibly connected to the cushion tray 1. The shock absorption device 333 absorbs the impact force generated when the striker 331 falls back, so that the situation that the impact force cannot be effectively transmitted to the upper cushion due to the fact that the striker 323 collides with the striker 331 moving downwards before reaching the highest point is avoided, and the mechanical efficiency of the invention can be effectively improved by arranging the shock absorption device 333.
Referring to fig. 1 and 3, a damping washer 334 is connected to the lower surface of the damping plate in a contact manner, a first pipe 335 is connected to the lower surface of the damping washer 334 in a contact manner, a damping spring 336 is fixedly connected to the lower surface of the first pipe 335, a second pipe 337 is fixedly connected to the damping spring 336, the second pipe 337 is fixedly connected to the guide pipe 321, and the damping washer 334, the first pipe 335 and the second pipe 337 are all sleeved outside the guide pipe 321. The damper spring 336 and the damper washer 334 can effectively absorb the impact force transmitted from the damper plate. Tube one 335 allows the cushion ring 334 and the cushion spring 336 to be coaxially mounted.
Referring to fig. 1 and 3, the outer surface of the conduit 321 is provided with external threads, the inner wall of the second pipe 337 is provided with internal threads, and the second pipe 337 is connected with the conduit 321 through threads. The second threaded tube 337 can adjust the cushioning effect according to the elastic damping of the cushion washer 334 and the spring.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. The utility model provides a novel excavator thing to sit on which characterized in that: including the cushion tray, fixedly connected with sponge on the cushion tray, the sponge includes lower floor's sponge and upper sponge, be provided with the upper sponge on the sponge of lower floor, the sponge overcoat is equipped with the fabric layer, be provided with the cavity in the sponge of lower floor, be provided with percussion device in the cavity, percussion device includes power supply, drive mechanism and actuating mechanism, power supply and cushion tray fixed connection, the power supply passes through drive mechanism with actuating mechanism and is connected, actuating mechanism is connected with the contact of upper sponge, actuating mechanism includes the firing pin, the firing pin includes striking section and transmission section, striking section and transmission section all are the cylinder, the external diameter of striking section is greater than the external diameter of transmission section, the striking section with through conical surface transitional coupling between the transmission section.
2. The novel excavator seat as claimed in claim 1, wherein: the transmission mechanism comprises a guide pipe, a percussion piston and a transmission piston, one end of the guide pipe is positioned below the actuating mechanism, the percussion piston and the transmission piston are slidably arranged in the guide pipe, the percussion piston is positioned at one end close to the actuating mechanism relative to the transmission piston, and the transmission piston is connected with a power source.
3. The novel excavator seat as claimed in claim 2, wherein: the power source comprises a motor, a connecting rod and a rocker arm, the motor is connected with the connecting rod, the motor drives the connecting rod to do circular motion with one end as a circle center and the length of the connecting rod as a radius, the connecting rod is hinged with the rocker arm, the rocker arm is hinged with the transmission piston, and the motor enables the transmission piston to do reciprocating linear motion in the guide pipe.
4. The novel excavator seat as claimed in claim 2, wherein: the conduit is a right angle conduit, the percussion piston is located in a vertical section of the conduit, and the transmission piston is located in a horizontal section of the conduit.
5. A novel excavator seat as claimed in claim 3 wherein: the connecting rod is a large bevel gear, a large bevel gear connecting column is arranged on the back face of the large bevel gear, the rocker arm is hinged with the connecting column, the output end of the motor is meshed with the large bevel gear through a small bevel gear, and the axis of the small bevel gear is perpendicular to the axis of the large bevel gear.
6. The novel excavator seat as claimed in claim 1, wherein: the actuating mechanism further comprises a nylon plate, the firing pin is fixedly connected with the nylon plate, a threaded hole is formed in the upper surface of the impact section, a through hole matched with the threaded hole is formed in the nylon plate, a fixing bolt is detachably connected into the threaded hole, and the nylon plate is located between the fixing bolt and the impact section.
7. The novel excavator seat as claimed in claim 1, wherein: actuating mechanism still includes the bradyseism device, the bradyseism device includes the bradyseism board, it has the bell mouth to open on the bradyseism board, the tapering of bell mouth with the tapering of conical surface is the same, the minimum aperture less than or equal to of bell mouth the diameter of conical surface, the bradyseism board with cushion tray flexible connection.
8. The novel excavator seat as claimed in claim 7, wherein: the lower surface contact of bradyseism board is connected with damping washer, damping washer's lower surface contact is connected with pipe one, the lower fixed surface of pipe one is connected with damping spring, damping spring fixedly connected with pipe two, pipe two with pipe fixed connection, damping washer, pipe one and pipe two all overlap and are established outside the pipe.
9. The novel excavator seat as defined in claim 8, wherein: the outer surface of the guide pipe is provided with external threads, the inner wall of the second pipe is provided with internal threads, and the second pipe is connected with the guide pipe through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111579016.9A CN113957945B (en) | 2021-12-22 | 2021-12-22 | Excavator seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111579016.9A CN113957945B (en) | 2021-12-22 | 2021-12-22 | Excavator seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113957945A true CN113957945A (en) | 2022-01-21 |
| CN113957945B CN113957945B (en) | 2022-03-01 |
Family
ID=79473518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111579016.9A Active CN113957945B (en) | 2021-12-22 | 2021-12-22 | Excavator seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113957945B (en) |
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| CN109131649A (en) * | 2018-08-21 | 2019-01-04 | 湖南高福星智能科技有限公司 | A kind of cooling dedusting environment friendly energy saver |
| CN209553010U (en) * | 2019-01-09 | 2019-10-29 | 吴智勇 | A kind of seat cushions external member |
| CN209723094U (en) * | 2019-02-25 | 2019-12-03 | 山推工程机械股份有限公司 | A kind of bulldozer cab damping device |
| CN210080284U (en) * | 2019-06-12 | 2020-02-18 | 徐州思达新技术开发有限公司 | Operation box convenient to clearance |
| CN211714083U (en) * | 2019-12-06 | 2020-10-20 | 林好友 | Loader for municipal works |
| CN213199043U (en) * | 2020-07-31 | 2021-05-14 | 重庆泰佛凌达汽车织物有限公司 | Dustproof and antibacterial automobile seat fabric |
| CN214822761U (en) * | 2021-04-08 | 2021-11-23 | 东莞方德泡绵制品厂有限公司 | High-comfort ventilating foam for automobile seat |
| CN214874344U (en) * | 2021-06-16 | 2021-11-26 | 平潭综合实验区易图腾科技有限公司 | Excavator convenient for adjusting height of seat |
| CN113561865A (en) * | 2021-07-13 | 2021-10-29 | 海啊科技有限公司 | Self-cleaning automobile seat sheath |
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| CN113957945B (en) | 2022-03-01 |
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